IS 5509 : 2021
Fire Retardant Plywood - Specification ( Third Revision )
Current edition: 2021
Sectional committee: CED 20 · BIS department: Civil Engineering (CED)
What this standard covers
This standard covers the fire retardant chemicals, method of treatment, retentions and requirements of fire retardant plywood.
Scope, quoted from IS 5509 : 2021. Read the full standard
Requirements and tests, as the standard names them
- 8.2 Thickness
- 8.3 Tolerances
- 12.2 Other Tests
- 13.1 General Requirements
- 13.2 Specific Requirements
Sub-clause names as printed under the headings “DIMENSIONS AND TOLERANCE”, “TEST REQUIREMENTS”, “ADDITIONAL REQUIREMENTS FOR ECO-MARK” in IS 5509 : 2021. Values and limits are deliberately not reproduced here — read them in the standard itself.
How the standard is organised
- 3 TERMINOLGY
- 4 FLAME RETARDANTS
- 5 PREPARATION FOR TREATMENT
- 6 FIRE RETARDANT TREATMENT
- 7 CONDITIONING AFTER TREATMENT
- 8 DIMENSIONS AND TOLERANCE
- 9 WORKMANSHIP AND FINISH
- 10 SAMPLING AND CONFORMITY
- 11 TEST SPECIMEN AND NUMBER OF TESTS
- 12 TEST REQUIREMENTS
- 13 ADDITIONAL REQUIREMENTS FOR ECO-MARK
Edition history (per the BIS registry)
- IS 5509 : 2021 — current edition (last reviewed by BIS 2026-01-02)
- IS 5509 : 2000 — withdrawn by BIS
Where this standard is used on NirmanDost
CPWD DSR 2021 (Civil Works)
| Item code | Description (verbatim) |
|---|---|
| 9.126.2 | Fire retardant plywood conforming to IS: 5509 |
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Materials market
Also cited in the Materials Market rate library and SKU sheets.
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Notes
- Status and titles come from the official BIS published/withdrawn standards registry (standards.bis.gov.in exports, July 2026 snapshot). Editions change — verify on the BIS portal before contractual use.
- The standard text is copyright BIS. NirmanDost shows registry metadata and links to the official source only — it never rehosts the document.
- Generated 2026-07-27.